| Nominative | Accusative | Dative | Genitive |
| No Article |
Commerson-Delfin |
Commerson-Delfin |
Commerson-Delfin/Commerson-Delfine |
Commerson-Delfines/Commerson-Delfins |
| |
| Definite Article |
der Commerson-Delfin |
den Commerson-Delfin |
dem Commerson-Delfin/Commerson-Delfine |
des Commerson-Delfines/Commerson-Delfins |
| |
| Indefinite Article |
ein Commerson-Delfin |
einen Commerson-Delfin |
einem Commerson-Delfin/Commerson-Delfine |
eines Commerson-Delfines/Commerson-Delfins |
| |
Plural
No Article |
Commerson-Delfine |
Commerson-Delfine |
Commerson-Delfinen |
Commerson-Delfine |
| |
Plural
Definite Article |
die Commerson-Delfine |
die Commerson-Delfine |
den Commerson-Delfinen |
der Commerson-Delfine |
